@keyframes rotate{
    100%{
        transform: rotateZ(360deg);
    }
}
/* 底部上面的背景图 */
.bg1{
    background: url(../images/footer-top-logo.png) no-repeat 0px 0px;
}
.bg2{
    background: url(../images/footer-top-logo.png) no-repeat 0px -162px;
}
.bg3{
    background: url(../images/footer-top-logo.png) no-repeat 0px -242px;
}
.bg4{
    background: url(../images/footer-top-logo.png) no-repeat 0px -82px;
}
.bg5{
    background: url(../images/footer-top-logo.png) no-repeat 0px -322px;
}
.bg6{
    background: url(../images/footer-top-logo.png) no-repeat 0px -402px;
}